baber/WOPTO huggingface dataset:
Patent JP-S5481509-A (JP)
Title: Method of manufacturing fan casings
Inventor: TANAKA HISAO
IPC: F04D29/42
Filed: 1977-12-09
Abstract: PURPOSE: To produce efficiently a fan casing which is composed of two nearly circular side plates with suction ports bored and a drum plate roll-formed around them by reducing the number of parts and assembly man-hours.  
     CONSTITUTION: When producing a fan casing 10 composed of two side plates 12 and 12' with suction 11 and 11' bored, and a drum plate 13, first, two longitudinal ends of the drum plate are bent perpendicularly forming flanges 14 and 14', next, the drum plate is rolled so that the flanges may stretch outwards: while on the outer rims of the two side plates 12 and 12', bent parts 15 and 15' are formed to receive said flanges 14 and 14'. Next, fitting the flanges 14 and 14' into the vent parts 15 and 15', the two side plates 12 and 12' and the drum plate 13 are set in a pressing device 16, and the bent parts 15 and 15' are culed with the dies 19, 21, 24 and 26 of the device. By so doing, the two side plates 12 and 12' and the drum plate 13 are assembled. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5372530-A (JP)
Title: Crt terminal unit containing keyboard with lamp
Inventor: TANAKA TAKEHIKO
IPC: G06Q50/10
Filed: 1976-12-10
Abstract: PURPOSE: To reduce greatly the fatigue of the operator by providing an error or alarm lamp on the keyboard. As a result, the operator has only to look at CRT only when the lamp glows. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S634362-A (JP)
Title: Arbitration system for multimaster bus
Inventor: NAKATSUGAWA MASAZUMI
IPC: G06F13/36
Filed: 1986-06-24
Abstract: PURPOSE:To eliminate the need for an arbitration logic circuit by controlling the use of a multimaster bus by software on a CPU. CONSTITUTION:A master CPU 1 is connected to salve peripheral devices A.3 and B.4 through a CPU bus 2. Further, the CPU 11 can access a memory circuit 9 as a slave device through the CPU bus 2, a bus interface C.5, and the multimaster bus 8. The peripheral devices A.4 and B.4 as peripheral bus masters incorporate control circuits capable of informing the CPU bus 2 of a period wherein the multimaster bus 8 is use as control period information, and the software on the CPU while recognizing the information performs exclusive control over control periods from the CPU and peripheral devices A.3 and B.4 on the multimaster bus 8.
Patent JP-H06338153-A (JP)
Title: Magnetic-head positioning mechanism for magnetic disk device
Inventor: SANADA YOTARO
IPC: G11B5/48
Filed: 1993-05-27
Abstract: PURPOSE:To prevent abnormal pressurization and the like to a bearing and to provide a countermeasure against thermal off-track. CONSTITUTION:The inner ring of a bearing 2 is fixed to the outer surface side of a shaft 1. A sleeve 3 comprising a material having the different linear expansion coefficient from that of the shaft 1 is fixed to the outer ring of the bearing. A magnetic-head holder 4 for supporting an arm having a magnetic head 6 is mounted on the outer surface side of the sleeve 3. A correcting plate 7 comprising a material having the smaller linear expansion coefficient than that of the shaft 1 is provided in the region of a part of the sleeve 3.
Patent JP-H05201925-A (JP)
Title: Method of separation using organic acid, and new organic acid
Inventor: ROBAATO ENU FUAAGASON
IPC: B01D11/04
Filed: 1992-05-14
Abstract: PURPOSE: To provide a novel organic acid exhibiting availability as a liquid ion exchanger suitable for a solvent extraction.  
     CONSTITUTION: The organic acid expressed by formula I (R 1  represents a 2-11C linear alkyl or a 3-16C branched alkyl, R 2  represents a 1-11C linear alkyl or a 3-16C branched alkyl), e.g. (2R,3R)-monodecyl-2,3-bis(acetyloxy)-butane dioate is provided. The compound is produced by reactions subjected to the reaction formulae. At the time of performing a liquid extraction in a system which contains at least one water phase and at least one organic phase and where a solute contained in one phase crosses the interface and moves to the adjacent phase, the organic acid is incorporated in the organic phase as the liquid ion exchanger. The organic acid is useful for moving an organic base containing nicotine and a tobacco alkaloid from a water treating fluid to another fluid. 
     COPYRIGHT: (C)1993,JPO
Patent JP-S5481285-A (JP)
Title: Propionamide derivative and its preparation
Inventor: FUJIMOTO YASUO
IPC: C07D313/10
Filed: 1977-12-13
Abstract: NEW MATERIAL:A propionamide derivative of formula I: (A is O or S; X is N or CH).  
     EXAMPLE: 2-[10,11-Dihydrodibenzo [b,f] thiepin-2-yl]-propionamide.  
     USE: Anti-inflammatory drugs.  
     PROCESS: A compound of formula III or its reactive derivative is reacted with NH 3  in the presence of a condensing agent, e.g. dicyclohexylcarbodiimide, etc. in an inert solvent, e.g. methylene chloride, etc. to give the compound of formula I. An acid halide, obtained by reacting the compound of formula III with a halogenating agent, e.g. thionyl chloride, phosphorus pentachloride, or a mixed acid anhydride, obtained by reacting with ethyl chloroformate, etc. may be cited as the reactive derivative. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H0440781-A (JP)
Title: Picture signal recording and reproducing system
Inventor: OGURA TOKIHIKO
IPC: H04N5/956
Filed: 1990-06-06
Abstract: PURPOSE:To reproduce a picture signal with a precise time axis by phase- comparing a pilot signal outputted from an amplitude control means with a sampling clock signal and controlling the phase of the sampling clock signal with using a phase error signal corresponding to a compared result. CONSTITUTION:The phase of a sampling clock signal generated from a sampling clock generating means is controlled with using an amplitude control means 18 to separate a pilot signal from a reproduced signal reproduced from a recording medium 1, to control and output the amplitude waveform of the signal of the one part of the pilot signal so as to be a constant amplitude, a phase comparing means 10 to phase-compare the pilot signal outputted from the means 18 with the sampling clock signal and to output a phase error signal corresponding to a compared result and the phase error signal outputted from the means 10. Thus, the time axis fluctuation of a picture signal generated at reproducing can be removed surely and stably without being affected by the fluctuation of the amplitude level of the reproduced signal.
Patent JP-H0313111-A (JP)
Title: Voltage control attenuator
Inventor: TAGAYA YUTAKA
IPC: H03H7/25
Filed: 1989-06-12
Abstract: PURPOSE:To reduce a circuit current and to simplify an RF part by forming whole diode connection between the bias voltage terminal of a pi type voltage control attenuator and grounding to be serially connected equivalent circuit. CONSTITUTION:Diodes D1-D3 are serially connected by the same polarity and a diode D4 is serially connected through a capacitor C4 to these diodes by the inverse polarity. The diode D3 is grounded through a capacitor C3 and the diode D4 is directly grounded. Then, a connecting point between the diode D3 and capacitor C3 is connected with a connecting point between the diode D4 and capacitor C4 by an induct L. Accordingly, all the diodes D1-D4 are serially connected for the direct current equivalent circuit and in this circuit, a bias voltage Vbias is impressed to the end part of the diode D1. Then, an attenuation quantity control voltage Vcont is impressed to a connecting point between the diodes D2 and D3. Thus, the circuit current can be decreased to be almost half. Since an attenuation quantity control voltage terminal can execute constant impedance operation in one spot, it can be realized to simplify the complicated RF part.
Patent JP-S636274-A (JP)
Title: Slide gate device
Inventor: ARAI KIYOSHI
IPC: F16K3/02
Filed: 1986-06-25
Abstract: PURPOSE:To improve the reliability of actuation, by installing a preventing member, which interlocks a gate plate and situated in a terminal part at the gate plate coloring position side, preventing a stored article from being retained in this terminal part, in a gate device to be installed in a lower discharge port of a vessel housing the stored article. CONSTITUTION:A gate device opens or closes a gate when a gate plate is slidden in an arrow direction by a driver 5 via a rod 5a inside a gate plate slide part 3 where a gate plate opening position 3a and a closing position 3b are set, and it discharges granules stored in a vessel 2, In this case, a stored article admission preventing member 11 is set up in a terminal part of the gate plate closing position 3b free of slide motion. This preventing member 11 is tightly attached to one end of an interlocking member 12 by a rod 11a. In this interlocking member 12, a long groove 12a is formed in the other end, and a rod 5b unitized with the rod 5a is engaged with this long groove 12a. With this constitution, after movement of the specified stroke of the gate member 4, the preventing member 11 is made so as to be moved.
Patent JP-H05340175-A (JP)
Title: Blind
Inventor: TSUMURA HIDEO
IPC: G10K11/178
Filed: 1992-06-09
Abstract: PURPOSE:To enable sound absorption as well as ventilation by constituting a blind cutting off sunlight, etc., of a plurality of wider shades and narrower shades, and shifting phase of sound waves passing through between the shades to absorb noises each other. CONSTITUTION:A blind is constituted of a plurality of wider shades 13 and narrower shades 14, sunlight 9 is cut off and, at the same time, the time-lag coming from the shades occurs in sound waves 19 and 20 passing through sound wave paths 13a and 14a. In a part 24 where both sound waves 19 and 20 are synthesized and interfered, the phase of sine waves 21 and 22 of the sound waves is shifted to a half of the sound wave, and the sound waves of the top and bottom are absorbed each other to form a synthetic wave 23 to be absorbed. According to the constitution, even if there are noises 12 in the outside, sounds, can be absorbed while ventilating.
Patent JP-S5671555-A (JP)
Title: Coring casting method of vacuum molding
Inventor: TOYODA ATSUSHI
IPC: B22C9/02
Filed: 1979-11-16
Abstract: PURPOSE: To form a casting excellent in the height precision of a cored hole by providing a dead margin and relief margin at the tip of the core part of one mated mold with the core part.  
     CONSTITUTION: Lower mold 3 of mated molds consisting of upper mold 1 and lower mold 3, is provided with projecting core part 35 and between the surface of core part 35 and the tip of core part 35, namely, surface 11 of upper mold 1, wedge-shaped projections 33 of about 0.1W0.2mm in height pointed toward the tip as a dead margin are formed which come into close contact with surface 11 without deforming the product by a crushing margin. The projections 33 contact mold surface 11 only at the wedge-shaped tips at the outer circumference and the material escaped toward the center of core part 35, so that relief margin 2 as the absorption part of the deformation of projections 33 will be formed. Consequently, the height of core part 35 can be adjusted freely within the range of the height of projections 33 as the crushing margin. Next, upper mold 1 and lower mold 3 are brought into close contact by killing projections 33 and cavity 5 is filled with molten  iron. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H09328464-A (JP)
Title: Production of sulfonic acid halide
Inventor: NAGATA TERUYUKI
IPC: C07C303/02
Filed: 1996-06-11
Abstract: PROBLEM TO BE SOLVED: To produce the subject compound useful as an intermediate for the production of pharmaceuticals and agrochemicals in high efficiency from economical and environmental viewpoints by reacting a sulfonic acid with a haloiminium salt having a specific structure. SOLUTION: A sulfonic acid (e.g. benzenesulfonic acid) is made to react with a haloiminium salt of formula I (R<1> and R<2> are each a lower alkyl; X is a halogen; (n) is 2 or 3) (preferably 2-chloro-1,3-dimethylimidazolinium chloride, etc.). The compound of formula I is produced by reacting a cyclic urea compound of formula II with phosgene. The amount of the compound of formula I is preferably 1.1-1.3 pts. based on 1 pt. of the sulfonic acid. The reaction temperature of the sulfonic acid and the compound of formula I is usually room temperature to 120 deg., however, it is preferably 105-110 deg.C in the case of using toluene as the reaction solvent.
Patent JP-H0317222-A (JP)
Title: Continuous vacuum refining method
Inventor: TAKAOKA TOSHIO
IPC: C22B9/04
Filed: 1989-06-14
Abstract: PURPOSE:To continuously carry out the degassing of a molten metal and the removal of inclusions and to cast purified molten steel by keeping a path connecting a ladle to a mold vacuum, continuously feeding the molten metal contg. a dissolved soluble gas and floating the gas as fine bubbles. CONSTITUTION:Gaseous N2 is dissolved in molten steel 6 manufactured in a converter by bubbling and the molten steel 6 is charged into a ladle 2. A tundish 1 and a communicating vessel 5 are evacuated to a prescribed degree of vacuum by a vacuum pump. The molten steel 6 in the ladle 2 is discharged into the tundish 1 through a discharge pipe 4a and further discharged into the mold 3 through a discharge pipe 5a in the vessel 5. Since the molten steel 6 is exposed to vacuum, gaseous N2 floats up as fine bubbles from the molten steel 6 in the tundish 1, waves the surface of the bath and floats fine inclusions. Purified molten steel 6 ia continuously cast and a product having improved quality is obtd.
Patent JP-H0316228-A (JP)
Title: Field-effect transistor and manufacture thereof
Inventor: YANOKURA EIJI
IPC: H01L21/338
Filed: 1989-06-14
Abstract: PURPOSE:To improve the controllability and the uniformity at the time of forming a recess structure by providing different three semiconductor layers on a semiconductor layer on which a gate layer is put and which contains Al as an ingredient, and etching the first layer and the third layer selectively. CONSTITUTION:Different three layers of semiconductor layers 8, 7, and 6 are provided on a semiconductor layer 5 on which a gate electrode 15 is put and which has Al as an ingredient, and a semiconductor layer 7, which has Al an ingredient is introduced as a middle layer. When recess-etching the gate electrode 13 or its vicinity into two stages, dry etching method is used, and the semiconductor layer 8 of the first layer, for the semiconductor layer 7 of the second layer, and further the the semiconductor layer 7 of the second layer, and further the semiconductor layer 6 of the third layer, for the semiconductor layer 5 which is positioned below that and on which the gate electrode is overlaid, are etched selectively. At this time, the semiconductor layers 7 and 5, which contain Al, work as the stopper layers at the time of selectively etching the semiconductor layers 8 and 6 of the first and third layers. Hereby, the uniformity and the process-controllability of each step of the second-stage recess improved rapidly.
Patent JP-H0714521-A (JP)
Title: Electron gun for cathode-ray tube
Inventor: MORITA KAZUO
IPC: H01J29/48
Filed: 1993-06-22
Abstract: PURPOSE:To prevent deterioration in contrast due to emission by protruding a tip section to the gun axis side from the straight line connecting the third electrode side end edge of a second electrode of an electron beam passing hole and an opening edge on the opposite side. CONSTITUTION:The electron emission from a cathode K of an electron gun is controlled by grids G1, G2 adjacent to the cathode K in sequence and an electron beam generation section focuses the emitted electrons to form an electron beam. A main electron lens section focuses the electron beam with grids G3-G5 on a phosphor screen 1. The grid G3 among the electrodes forming the main electron lens section is formed into a stepped cylindrical shape made larger in diameter on the grid G4 side than on the grid G2 side. The tip section 18 of the inside bulge section 12 of an cylindrical electrode G5i is protruded to the gun axis Z side against the straight line connecting an opening end edge 14 on the grid G5 side of the grid G4 and an end edge on the opposite side to the end edge 14. The emission to the phosphor screen 1 through an electron beam passing hole 15 is shielded, and the reduction of contrast is prevented.
Patent JP-H04347264-A (JP)
Title: Arranging device of rinforcement bars
Inventor: SATO HITOSHI
IPC: E04G21/12
Filed: 1991-05-24
Abstract: PURPOSE:To increase safety and workability of works due to the automation thereof and stability of the bound quality, by transferring reinforcement rods to the arrangement position on a base of reinforcements and further providing a binding device of the reinforcement rods. CONSTITUTION:A traveling part 12 moving on a reinforcement base 1 to carry out frameworks according to the curvature of a structure and a mountaining bed 14 of reinforcement rods and further a binding device 7 of reinforcement rods are arranged together with an adjusting mechanism of reinforcement rods an arrangement mechanism, etc. Next, after the traveling part 1 moves forward on guide tracks 9, 10 provided along the reinforcement base 1, it retreats to repeatedly arrange respective straight and curved reinforcements at a specified positions. Next, after arrangement of the steel rods, it retreats on the guide tracks 9, 10 to be in a waiting state. In this time, the curved reinforcement rods of the mounting bed 14 of the reinforcement rods are positioned along the curved peripheral direction by the adjusting mechanism of the rods and transferred to the arranged positions on the bed 1 by use of the arrangement mechanism of rods. On the other hand, in case of straight rods, they are positioned along the longitudinal direction to arrange likewise. After completion of arrangement of rods, the crossing points of the straight rods and the curved rods are bound by the binding device 7. After that, it is returned to the home point to be in a waiting state.
Patent JP-S5854024-A (JP)
Title: Cooling method of silver in tow system spinning
Inventor: MINAKI SHIYOUZOU
IPC: D02J13/00
Filed: 1981-09-22
Abstract: PURPOSE:To prevent the reshrinkage in a sliver, by inserting a porous pipe in a can for accommodating the sliver obtained by hot-drawing and stretch-breaking a tow previously, and supplying air to the porous pipe to cool the sliver in accommodating the sliver in the can. CONSTITUTION:A porous pipe 13 is previously inserted in a can 11 for accommodating a sliver (S) obtained by hot-drawing and stretch-breaking a chemical filamentary tow, and air is supplied to the porous pipe 13 by a blowing fan 14 to cool the sliver (S) in accommodating the sliver (S) in the can 11. Thus, the occurrence of reshrinkage in the sliver (S) is prevented.
Patent JP-H0816351-A (JP)
Title: Multiwindow managing device
Inventor: SUZUKI AKIRA
IPC: G06F3/14
Filed: 1994-06-30
Abstract: PURPOSE:To perform the speedy using processing of a target window by subjecting an unused window, in which the number of active windows and the ratio of an active window area are larger than a threshold value or the area of hidden windows is larger than a prescribed ratio and the unused state lasts for more than a fixed time or the like, to icon processing. CONSTITUTION:The unused window in which the number of active windows on a screen 1 is more than the threshold value, the ratio of the active window area is larger than the threshold value or the area of hidden windows is larger than a prescribed ratio and the unused state lasts for more than the fixed time is automatically subjected to the iron processing. Then, the window having the great possibility of being unused is erased on the screen 1, the icon 2 is displayed, and processing can be executed by speedily using the target window. Therefore, the window can be automatically managed in the active state or inactive state on the screen 1 without the work of an operator. Further, since the window having the great possibility of being unused is automatically subjected to the icon processing on the screen 1, the target window can be speedily selected.
Patent JP-H098612-A (JP)
Title: Latch circuit
Inventor: YOSHIDA MAKOTO
IPC: H03K3/037
Filed: 1995-06-16
Abstract: PURPOSE: To provide a latch circuit with which power consumption is reduced and high-speed operation is enabled. CONSTITUTION: This circuit is provided with an inverter 3 for receiving the potential of an input node 13 and an inverter 1 for receiving the output of the inverter 3 and feeding its output back to the input node 13. The inverter 1 is composed of a PMOS 15 whose gate is connected to the output of the inverter 3, PMOS 16 whose gate is grounded, NMOS 17 whose gate is connected to a power supply potential, and NMOS 18 whose gate is connected to the output of the inverter 3, and these components are serially connected between a ground potential and the power supply potential. Further, the driving ability of PMOS 16 and NMOS 17 is smaller than that of a circuit 100 on the preceding stage for driving the input node 13.
Patent JP-H05316959-A (JP)
Title: Improvement of flavor of diet
Inventor: YAMANAKA TATSU
IPC: A23L27/20
Filed: 1992-05-19
Abstract: PURPOSE:To give rich taste without spoiling the flavor essential to a diet, modify the acidic taste and the salty taste and improve exhalation of the fragrance by adding a specified alpha-hydroxyketone derivative to a beverage or a food in a specified ratio. CONSTITUTION:A compound selected from the monomer, the dimer or the trimer of an alpha-hydroxyketone derivative of the formula (R<1> and R<2> are each H, methyl or hydroxymethyl, provided that both R<1> and R<2> must not be hydroxymethyl) is added in an amount of 50 to 10000ng/g based on a beverage or a food. As the compound of the formula, e.g. hydroxyacetaldehyde, glyceraldehyde and acetoin are exemplified. In addition, the compound of the formula can be obtained, e.g. by thermally decomposing a saccharide and subsequently isolating and purifying the thermally decomposed material.
Patent JP-H092547-A (JP)
Title: Wet tissue package
Inventor: FUKUDA SHOJI
IPC: B65D83/08
Filed: 1995-06-16
Abstract: PURPOSE: To obtain a wet tissue package wherein moisture in an enclosed bag may not vaporize outside even if a main body of an outer package is formed of an inexpensive carbon. CONSTITUTION: This wet tissue package includes an enclosing bag 4 with laminated wet tissue 5 received inside and an outer package 1 for covering the outside of the bag 4, while the outer package 1 includes a carton 2 and a plastic molding 3 attached to an upper face 21 of the carton 2. The molding 3 includes a circular frame 31 with an opening 32 formed corresponding to a take-out port 43 of wet tissues in the bag 4 and a lid 33 for closing the opening 32, wherein an upper face of the bag 4 and a lower face of the frame 31 are circularly bonded to each other by an adhesive 7, thereby tightly closing the take-out port 43 with the lid 33 closed.